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Front 1

1. According to OSHA, what clearance should a crane in transit keep while going under

445KV lines?

Back 1

16 feet

Front 2

2. While operating a crane near 280KV power lines, what distance does OSHA require you to

keep?

Back 2

17 feet 8 inches

Front 3

3. When working around power lines you must:

Avoid stockpile material under power lines

Maintain the correct distance according to the rated K.V.

Ground the crane with the proper grounding cable

All of the above

Back 3

All of the above

Front 4

4. What is the proper procedure when using an insulating link or a boot near power lines?

Back 4

a. Be sure to maintain the correct allowable distance from the lines.

Front 5

5. What is the minimum allowable distance from the crane and power lines under 50k V?

Back 5

b. 10 ft.

Front 6

When working near power lines when is a signal person required?

Back 6

c. When crane moves within a booms length of the limit of approach.

Front 7

7. When is it safe to work closer than the allowable distance from power lines?

Back 7

c. When utility company says lines are de-energized

Front 8

8. When is it safe to handle loads under power lines?

Back 8

The load nor any part of the crane can come closer than regulations allow.

Front 9

9. If a crane comes in contact with power lines, it is critical that everyone be kept away from

the crane, the load line and the load because:

Back 9

All three can become energized, including the ground around the crane, and you could be electrocuted by just getting too close to any of them.

Front 10

10. If a crane only momentarily contacts a power line of 6,000 volts:

Back 10

The crane should be stopped and inspected immediately to determine the path of electricity because wire rope, seals, bearings, wiring, tires, etc. can become damaged.

Front 11

11. The minimum clearances allowable between power lines and any part of the crane vary

depending on the voltage of the lines. What are minimum clearances required by OSHA for

power lines above 50,000 volts?

Back 11

10 feet plus 0.4 inch per 1,000 volts above 50,000 kv

Front 12

12. Electrocution is the number one cause of fatalities associated with cranes. Does the boom

load line or load have to physically contact a power line for electrocution to occur?

Back 12

No

Front 13

13. When working near power lines where any part of the crane or load could get closer than

allowed:

Back 13

It is necessary to have a signalperson whose only job is to warn when the limits are being violated.

Front 14

14. When working near power lines, tag lines and slings should be constructed of:

Back 14

Polypropylene or polyethylene and webbing because they offer fair insulating properties.

Front 15

15. Insulating links, boom point guards, proximity warning devices are typical safety devices

available to assist cranes working near power lines. They are considered:

Back 15

Sometimes reliable

Front 16

16. The load line of the crane you’re operating comes into contact with an energized power line.

There’s no sign of any other danger, such as fire. In such a situation, you should:

Back 16

Stay in the cab until the lines are de-energized

Front 17

17. When working near power lines, where should caution stickers be installed?

Back 17

at operators station and on the outside of the crane ANSI 5-3.4.5.3(I)

Front 18

18. According to ASME B30.5 the prohibited zone for power lines that are 60kV is:

Back 18

15 ft.

Front 19

19. When crane is in transit and you are required to pass under 50kV power lines, what is

OSHA’s minimum required clearance:

Back 19

4 feet

Front 20

20. The tipping axis of a crawler crane:

Back 20

depends if the idler or sprocket are in line or offset from the track rollers

Front 21

21. As you boom down, the leverage of the load on the crane will:

Back 21

increase

Front 22

22. Eccentric main boom tip reeving causes:

Back 22

twisting of the boom IPT

Front 23

23. How many broken wires must be present in one strand of one lay for running wire rope to

be removed from service?

Back 23

3 OSHA and ANSI

Front 24

24. Power is transferred to the swing through a:

Back 24

pinion gear

Front 25

25. A frequent inspection is:

Back 25

daily to monthly OSHA 1910.180 (d)(2)(I)

Front 26

26. A periodic inspection is:

Back 26

monthly to annually OSHA 1910.180 (d)(2)(ii)

Front 27

27. Test loads should not exceed ________ of manufacturers load ratings.

Back 27

110% ANSI 5-2.2.2(1)

Front 28

28. Cranes idle for more than 6 months must have _______________ inspections performed.

Back 28

frequent and periodic ANSI 5-2.1.4(b)

Front 29

29. Crane hooks must not be twisted in excess of:

Back 29

10 degrees OSHA 1910.180 (d)(3)(v)

Front 30

30. A crane hooks throat opening must not exceed:

Back 30

15% of its original size OSHA 1910.180 (d)(3)(v)

Front 31

31. What is the “jib offset”?

Back 31

jib angle to the boom

Front 32

32. According to the ASME B30.5, you are required to pass a physical exam every _____ years

Back 32

3 years

Front 33

33. When operating a mobile crane you inspect your running wire rope at least:

Back 33

daily

Front 34

34. Line pull is:

Back 34

the amount of weight a drum will hoist for a given layer

Front 35

35. A crane’s rated capacity is based upon:

Back 35

structural and stability

Front 36

36. It is important to inspect rotation resistant wire rope more frequently because:

Back 36

internal damage will occur more frequently

Front 37

37. It is important to know when lubricating wire rope, that the lubricant must:

Back 37

not hinder visual inspection

Front 38

38. Breaking strength divided by the design factor equals:

Back 38

safe working load

Front 39

39. What is the greatest cause of ground personnel deaths?

Back 39

electrocution

Front 40

40. Boom deflection will:

Back 40

increase load radius

Front 41

41. The effect of a loads leverage being greater than the crane’s leverage is:

Back 41

instability

Front 42

42. What is the SWL of boom hoist wire rope?

Back 42

3.5 to 1

Front 43

43. What is the Nominal Strength of Wire Rope?

Back 43

The published catalog strength calculated by a standard procedure

Front 44

44. What is a two leg bridle?

Back 44

Two wire rope slings attached by a lifting ring

Front 45

45. Who is responsible to sign and date the cranes daily log book after the pre-trip inspection?

Back 45

Operator

Front 46

46. Standing wire ropes must be replaced if they have more than how many broken wires in one

strand?

Three

Five

Four

All of the above

Back 46

All of the above

Front 47

47. Who is responsible for the on the job training of the apprentice-oiler?

Back 47

Operator

Front 48

48. According to OSHA standards how many full wraps of wire rope should remain on the hoist

drum in all service conditions?

Back 48

Two

Front 49

49. By order of hitch strength, which is the correct answer?

Back 49

Basket, vertical, choker

Front 50

50. When the number of layers of rope on a drum increases the:

Back 50

Maximum line pull decreases